CPAER Aviation Formulas Actual Exam Study Questions With Correct Detailed Answers.

Bearing to station = - correct answer Magnetic heading + Relative bearing Bearing from station = - correct answer Bearing to station +/- 180º VOR range (nm) = - correct answer 1.25 * √feet AGL Crosswind limitation = - correct answer 20% of stall speed (0.2 * stall speed) Rate one turn bankº = - correct answer 10% of IAS + 7 knots (0.1 * IAS then + 7) Non-rotating tire hydroplane speed = - correct answer 7.7 * √tire pressure (psi) Time to VOR (minutes) = - correct answer Time in seconds / number of radials crossed Opening angle = - correct answer (Distance off track (nm) / distance flown (nm)) * 60 Closing angle = - correct answer (Distance off track (nm) / distance remaining (nm)) * 60 1 in 60 rule = - correct answer Opening angle + closing angle Rotating tire hydroplane speed = - correct answer 9 * √tire pressure (psi) Relative bearing = - correct answer Bearing to station - Magnetic heading Magnetic heading = - correct answer Bearing to station - Relative bearing Stall speed in a turn = - correct answer Vs (stall speed clean) * √load factor in turn Distance off course = - correct answer (Opening angle / 60) * distance flown Distance to station (VOR) = - correct answer (TAS * time to station) / 60 Convective cloud base = - correct answer (Temperature